True.
true. 5+3=8 8+7=15 5+7=12 12+3=15
5 plus 3 plus 7 does equal 5 plus 7 plus 3; this is an example of the commutative property of addition. Therefore, the statement is true.
false. because 5plus 3 plus 7 equals, 15, and 15 plus three is not seven
True
true
5 plus 25 equals 60. Need to solve for 5 plus 25 equals ?: 2 plus 10 equals 24 is equivalent to 2 × (1 plus 5) equals 2 × (12); and 3 plus 15 equals 36 is equivalent to 3 ×(1 plus 5) equals 3 × (12); thus 5 plus 25 equals ? is equivalent to 5 × (1 plus 5) equals 5 × (12); thus ? = 5 × 12 = 60.
true
-2 plus 5 equals +3
No.
7+2+5= 14 35 42
yes